#!/usr/bin/env ruby
# frozen_string_literal: true

require 'rubygems'
begin
  require 'newgem'
rescue LoadError
  puts "\n\nGenerating the website requires the newgem RubyGem"
  puts "Install: gem install newgem\n\n"
  exit(1)
end
require 'redcloth'
require 'syntax/convertors/html'
require 'erb'
require "#{File.dirname(__FILE__)}/../lib/faker/version.rb"

version  = Faker::VERSION
download = 'http://rubyforge.org/projects/faker'

class Integer
  def ordinal
    # teens
    return 'th' if (10..19).cover?(self % 100)

    # others
    case self % 10
    when 1
      return 'st'
    when 2
      return 'nd'
    when 3
      return 'rd'
    end
    'th'
  end
end

class Time
  def pretty
    "#{mday}#{mday.ordinal} #{strftime('%B')} #{year}"
  end
end

def convert_syntax(syntax, source)
  Syntax::Convertors::HTML.for_syntax(syntax).convert(source).gsub(%r{^<pre>|</pre>$}, '')
end

if ARGV.length >= 1
  src, template = ARGV
  template ||= File.join(File.dirname(__FILE__), '/../website/template.rhtml')

else
  puts("Usage: #{File.split($PROGRAM_NAME).last} source.txt [template.rhtml] > output.html")
  exit!
end

template = ERB.new(File.open(template).read)

title = nil
body = nil
File.open(src) do |fsrc|
  title_text = fsrc.readline
  body_text = fsrc.read
  syntax_items = []
  body_text.gsub!(%r{<(pre|code)[^>]*?syntax=['"]([^'"]+)[^>]*>(.*?)</\1>}m) do
    ident = syntax_items.length
    element = Regexp.last_match(1)
    syntax = Regexp.last_match(2)
    source = Regexp.last_match(3)
    syntax_items << "<#{element} class='syntax'>#{convert_syntax(syntax, source)}</#{element}>"
    "syntax-temp-#{ident}"
  end
  title = RedCloth.new(title_text).to_html.gsub(/<.*?>/, '').strip
  body = RedCloth.new(body_text).to_html
  body.gsub!(%r{(?:<pre><code>)?syntax-temp-(\d+)(?:</code></pre>)?}) { syntax_items[Regexp.last_match(1).to_i] }
end
stat = File.stat(src)
created = stat.ctime
modified = stat.mtime

$stdout << template.result(binding)
